19472413 has 2 divisors, whose sum is σ = 19472414. Its totient is φ = 19472412.

The previous prime is 19472393. The next prime is 19472437. The reversal of 19472413 is 31427491.

It is the 1802-nd star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18992164 + 480249 = 4358^2 + 693^2 .

It is a cyclic number.

It is not a de Polignac number, because 19472413 - 2¹⁷ = 19341341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19442413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9736206 + 9736207.

It is an arithmetic number, because the mean of its divisors is an integer number (9736207).

Almost surely, 2^19472413 is an apocalyptic number.

It is an amenable number.

19472413 is a deficient number, since it is larger than the sum of its proper divisors (1).

19472413 is an equidigital number, since it uses as much as digits as its factorization.

19472413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 19472413 is about 4412.7557149700. The cubic root of 19472413 is about 269.0336419094.

The spelling of 19472413 in words is "nineteen million, four hundred seventy-two thousand, four hundred thirteen".